how to use it help me pls

[boss007as]

attendance@1.0.0 start
node server.js

node:internal/modules/cjs/loader:928
throw err;
^

Error: Cannot find module 'dotenv'
Require stack:

• F:\Google-Meet-Scheduler-master\Google-Meet-Scheduler-master\server.js
  at Function.Module._resolveFilename (node:internal/modules/cjs/loader:925:15)
  at Function.Module._load (node:internal/modules/cjs/loader:769:27)
  at Module.require (node:internal/modules/cjs/loader:997:19)
  at require (node:internal/modules/cjs/helpers:92:18)
  at Object. (F:\Google-Meet-Scheduler-master\Google-Meet-Scheduler-master\server.js:1:1)
  at Module._compile (node:internal/modules/cjs/loader:1108:14)
  at Object.Module._extensions..js (node:internal/modules/cjs/loader:1137:10)
  at Module.load (node:internal/modules/cjs/loader:973:32)
  at Function.Module._load (node:internal/modules/cjs/loader:813:14)
  at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:76:12) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
  'F:\Google-Meet-Scheduler-master\Google-Meet-Scheduler-master\server.js'
  ]
  }
  npm ERR! code 1
  npm ERR! path F:\Google-Meet-Scheduler-master\Google-Meet-Scheduler-master
  npm ERR! command failed
  npm ERR! command C:\Windows\system32\cmd.exe /d /s /c node server.js

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\Bo\AppData\Local\npm-cache_logs\2021-01-14T02_12_17_479Z-debug.log
PS F:\Google-Meet-Scheduler-master\Google-Meet-Scheduler-master>

[SanjayRanjiniRaju]

Same issue here